tank
noun [ C ]
uk/tæŋk/ usa container for holding liquid or gas:
a fuel/gas/propane tank
the contents of a tank, or the amount that it will hold:
a tank of sth The car can be driven 500 miles on a single 10-gallon tank of gas.
in the tank
informal US
in a very bad state or situation, especially because of being too low in price, value, etc.:
People will not agree to this sort of spending if the economy is in the tank.
It is not surprising that the company's shares are in the tank, recently hitting a 52-week low of 15.40.
See also
think tank
tank
verb [ I ]
informal uk/tæŋk/ usto suddenly begin to have serious problems, especially by falling a lot in price, value, etc.:
The state was expecting an increase in tax revenues, but that was before the economy tanked.
Car exports in the year to April tanked 23%.